Finding the Fourth Proportional to 7,694.88, 10,690.56 and 7,602.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,694.88 : 10,690.56 = 7,602.72 : x
2. Step 2: Convert to fraction form
   7,694.88/10,690.56 = 7,602.72/x
3. Step 3: Cross multiply
   7,694.88x = 10,690.56 × 7,602.72
4. Step 4: Simplify right side
   7,694.88x = 81,277,334.32
5. Step 5: Solve for x
   x = 81,277,334.32/7,694.88
6. Step 6: Final answer
   x = 10,562.52